Privacy Policy

1. Introduction

Welcome to Subtraction File ("we," "our," or "us"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our file management application.

2. Information We Collect

2.1 Device Permissions and Access

Our app requires certain permissions to function properly:

• Storage Access: To read, write, and manage files on your device
• Media Access: To access photos, videos, and audio files
• Network Access: To connect to network devices and transfer files
• App Information: To display installed applications and their details

2.2 File and Media Information

We may access and process the following types of information:

• File names, sizes, and metadata
• Media file information (photos, videos, audio)
• Document files and their properties
• Application information and installation details

2.3 Network and Transfer Data

When using network features, we may collect:

• Network device information (IP addresses, device names)
• File transfer logs and progress information
• Web transfer session data
• Connection status and error information

2.4 Advertising Data

Our app may display advertisements through Google AdMob. This may involve:

• Device advertising identifiers
• App usage patterns for ad targeting
• Ad interaction data

3. How We Use Your Information

3.1 Core App Functionality

• Providing file management and organization features
• Enabling media playback and viewing capabilities
• Facilitating network file access and transfer
• Managing applications and system information
• Providing file cleanup and optimization features

3.2 Network Services

• Establishing and maintaining network connections
• Processing file uploads and downloads
• Managing WebSocket connections for real-time updates
• Providing HTTP proxy services for media streaming

3.3 Advertising and Analytics

• Displaying relevant advertisements
• Analyzing app usage patterns to improve functionality
• Providing personalized content recommendations

4. Information Sharing and Disclosure

4.1 Third-Party Services

We may share information with the following third-party services:

• Google AdMob: For advertising services
• Network Devices: When connecting to SMB/FTP servers
• Media Services: For file playback and streaming

4.2 Legal Requirements

We may disclose your information if required by law or in response to valid legal requests, such as:

• Court orders or subpoenas
• Government investigations
• Protection of rights and safety

5. Data Security

We implement appropriate security measures to protect your information:

• Encryption of sensitive data in transit
• Secure storage practices
• Regular security updates and patches
• Access controls and authentication

6. Data Retention

We retain your information only as long as necessary to:

• Provide our services
• Comply with legal obligations
• Resolve disputes
• Enforce our agreements

7. Your Rights and Choices

7.1 Permission Management

You can control app permissions through your device settings:

• Storage access permissions
• Media access permissions
• Network access permissions

7.2 Advertising Preferences

You can opt out of personalized advertising through:

• Device advertising settings
• Google AdMob opt-out options
• App-specific advertising controls

7.3 Data Access and Deletion

You have the right to:

• Access your personal information
• Request correction of inaccurate data
• Request deletion of your data
• Object to data processing

8. Children's Privacy

Our app is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

9. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place to protect your information in accordance with this Privacy Policy.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by:

• Posting the new Privacy Policy in the app
• Updating the "Last Updated" date
• Providing notice through the app interface

11. Contact Information

12. Governing Law

This Privacy Policy is governed by and construed in accordance with applicable data protection laws. Any disputes arising from this Privacy Policy will be resolved in accordance with the laws of your jurisdiction.